Casio J-1 (J-811)
The Casio J-1 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 24 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA batteries. The calculator was manufactured in Japan.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 7 |
| Keys | 24 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | VFD |
| Length | 158mm |
| Width | 97mm |
| Thickness | 24mm |
| Weight | 152g |
| Power Consumption | 0.250000W |
| Power Source | 2xAA batteries |
| Country | Japan |
| Year introduced | 1978 |
| Year discontinued | 1978 |
Replacements:
If you have a Casio J-1 that is no longer working, you can first try replacing the 2xAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: